Heavy Rain and Flash Flooding Possible Over Parts of the Eastern United States

Heavy rainfall is expected over portions of the eastern United States through Thursday. Flooding and flash flooding will be possible in some areas. Click the "Read More" link for excessive rainfall forecasts from the Weather Prediction Center. Read More >

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

65°F

18°C

Humidity 68%
Wind Speed NE 20 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 28 Sep 10:56 am EDT
Extended Forecast for

Groton CT

  • Today

    Today: Patchy drizzle after noon.  Mostly cloudy, with a high near 67. Northeast wind around 18 mph.

    Patchy
    Drizzle

    High: 67 °F

  • Tonight

    Tonight: A slight chance of drizzle or light rain.  Cloudy, with a low around 58. Breezy, with a northeast wind around 21 mph.  Chance of precipitation is 20%.

    Slight Chance
    Light Rain
    and Breezy

    Low: 58 °F

  • Thursday

    Thursday: A chance of drizzle or light rain, mainly before 10am, then a slight chance of rain after 2pm.  Mostly cloudy, with a high near 65. Breezy, with a northeast wind around 22 mph.  Chance of precipitation is 30%.

    Chance Light
    Rain and
    Breezy

    High: 65 °F

  • Thursday
    Night

    Thursday Night: Rain likely, mainly after 2am.  Cloudy, with a low around 57. Breezy, with a northeast wind around 24 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain Likely
    and Breezy

    Low: 57 °F

  • Friday

    Friday: Rain.  High near 66. Breezy, with a northeast wind 22 to 24 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain and
    Breezy

    High: 66 °F

  • Friday
    Night

    Friday Night: Rain likely, mainly before midnight.  Cloudy, with a low around 58. Breezy.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Rain Likely
    and Breezy

    Low: 58 °F

  • Saturday

    Saturday: Rain likely.  Cloudy, with a high near 66. Chance of precipitation is 70%.

    Rain Likely

    High: 66 °F

  • Saturday
    Night

    Saturday Night: A 50 percent chance of rain and thunderstorms.  Areas of fog after midnight.  Otherwise, cloudy, with a low around 60.

    Chance
    T-storms and
    Areas Fog

    Low: 60 °F

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms.  Areas of fog before 10am.  Otherwise, cloudy, with a high near 68.

    Chance
    T-storms and
    Areas Fog

    High: 68 °F

Detailed Forecast

Today
Patchy drizzle after noon. Mostly cloudy, with a high near 67. Northeast wind around 18 mph.
Tonight
A slight chance of drizzle or light rain. Cloudy, with a low around 58. Breezy, with a northeast wind around 21 mph. Chance of precipitation is 20%.
Thursday
A chance of drizzle or light rain, mainly before 10am, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 65. Breezy, with a northeast wind around 22 mph. Chance of precipitation is 30%.
Thursday Night
Rain likely, mainly after 2am. Cloudy, with a low around 57. Breezy, with a northeast wind around 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 66. Breezy, with a northeast wind 22 to 24 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Rain likely, mainly before midnight. Cloudy, with a low around 58. Breezy. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain likely. Cloudy, with a high near 66. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of rain and thunderstorms. Areas of fog after midnight. Otherwise, cloudy, with a low around 60.
Sunday
A 50 percent chance of showers and thunderstorms. Areas of fog before 10am. Otherwise, cloudy, with a high near 68.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 69.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 67.
Click Map For Forecast
Point Forecast:
Groton CT
 41.32°N 72.09°W (Elev. 3 ft)
10:21 am EDT Sep 28, 2016
11am EDT Sep 28, 2016-6pm EDT Oct 4, 2016
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database